1. Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
2. Department of Radiation Oncology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
3. National Institute of Cancer Research, National Health Research Institutes, Tainan, Taiwan
4. Department of Pharmacology, College of Medicine, National Cheng Kung University, Tainan, Taiwan
5. Department of Surgery, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan